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118629 (2000 HC42)
Classification: Main-belt Asteroid          SPK-ID: 2118629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931869421201103 4.7824e-08  
a 2.406443476399217 8.8855e-09 au
q 1.941550019808765 1.1608e-07 au
i 1.679774718164671 5.7291e-06 deg
node 19.26273615733433 0.00013455 deg
peri 323.7535609506034 0.00013505 deg
M 14.97806855400574 1.2487e-05 deg
tp 2458943.769679392592
(2020-Apr-04.26967939)
4.7127e-05 TDB
period 1363.521294152769
3.73
7.552e-06
2.068e-08
d
yr
n .2640222793320494 1.4623e-09 deg/d
Q 2.87133693298967 1.0602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      6973 days (19.09 yr)  
   first obs. used      2000-04-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:55  

Additional Information
 Earth MOID = .933997 au 
 Jupiter MOID = 2.53138 au 
 T_jup = 3.496 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO475042  

118629 (2000 HC42)          Discovered 2000-Apr-29 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 HC42 = 2001 ON71 = 2001 RY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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